Fatigue behavior of laser consolidated IN-625 at room and elevated temperatures

Abstract

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Repair and manufacturing of single crystal Ni-based superalloys components by laser powder deposition—A review

“…This work showed that pore-and crack-free depositions of these alloys could be produced. The tensile strength and the fatigue resistance at room temperature and at 650 C of IN-625 alloy produced by laser powder deposition (LPD), casting, and hot working were compared by Theriault et al 9 At room temperature the tensile strength of IN-625 prepared by LPD was higher than in the as-cast condition and slightly lower than in the wrought condition. The tensile strength decreased with increasing laser beam power, reflecting the increasing coarseness of the microstructure due to the corresponding decrease in cooling rate.…”

Effect of deposition strategy on the microstructure and mechanical properties of Inconel 625 superalloy fabricated by pulsed plasma arc deposition

“…Therefore, direct metal deposition (DMD) techniques for Inconel 625 components have attracted more and more attentions in recent years [9]. Among these techniques, the laser rapid manufacturing (LRM) for superalloy components has the most extensive applications in virtue of fine structure, better mechanical characteristics and lower part distortion [10][11][12]. Paul samples.…”

Characterisation of fatigue fracture surfaces of friction stir channelling specimens tested at different temperatures

“…Results are presented in Table 5. [13]. The elevated temperature tensile properties of AA5083-H111 also indicate a significant decrease in strength at 200ºC, as presented in Table 2.…”